Environment: milieu / climate zone / depth range / distribution range
Ökologie
seewasser demersal; tiefenbereich 45 - 490 m (Ref. 50550), usually 100 - 200 m (Ref. 56593). Boreal; 1°C - 4°C (Ref. 56593)
North Pacific: northern Hokkaido, Japan to the northern Sea of Japan, the Okhotsk and Bering seas, to Gulf of Alaska (Ref. 559). Reported from South Korea (Ref. 77001).
Size / Gewicht / Alter
Maturity: Lm ?  range ? - ? cm
Max length : 27.0 cm TL Männchen/unbestimmt; (Ref. 56593); common length : 22.3 cm TL Männchen/unbestimmt; (Ref. 56593); max. veröff. Gewicht: 150.00 g (Ref. 56593)
Kurzbeschreibung
Bestimmungsschlüssel | Morphologie | Morphometrie
Rückenflossenstacheln (insgesamt) : 61 - 66; Rückenflossenweichstrahlen (insgesamt) : 0; Afterflossenstacheln: 1; Afterflossenweichstrahlen: 47 - 50. Dorsal side of head with numerous dermal cirri; scales on body not extending forward beyond origin of dorsal fin; anterior chin with a pair of small cirri (Ref. 559).
Found in soft bottoms at depths of 45 - 490 meters; usually on outer continental shelf and upper slope (Ref. 51666).
Life cycle and mating behavior
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven
Masuda, H., K. Amaoka, C. Araga, T. Uyeno and T. Yoshino, 1984. The fishes of the Japanese Archipelago. Vol. 1. Tokai University Press, Tokyo, Japan. 437 p. (text). (Ref. 559)
IUCN Rote Liste Status (Ref. 130435: Version 2024-2)
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Fischereien:
Tools
Zusatzinformationen
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Estimates based on models
Preferred temperature (Ref.
123201): 0.9 - 6.3, mean 4.6 °C (based on 122 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.5 ±0.4 se; based on size and trophs of closest relatives
Widerstandsfähigkeit (Ref.
120179): niedrig, Verdopplung der Population dauert 4,5 - 14 Jahre. (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (17 of 100).